Manufacturers of mobile phones will our eyes to practically monotonous view very similar to each other products, but often kryły a completely different capacity. It is difficult to probably go with the schematics, but slowly you can see in the experiments in this field. Mobile phone Nokia 6500 Classic looks like in theory, all the rest (or rather the vast majority)-a simple bar-type phone, the display in half casing and soft keys. But are you sure it the same ..?